EP0831304A4 - Opto-electronic flowmeter and a method of manufacturing the associated differential pressure sensor - Google Patents

Opto-electronic flowmeter and a method of manufacturing the associated differential pressure sensor

Info

Publication number
EP0831304A4
EP0831304A4 EP96914466A EP96914466A EP0831304A4 EP 0831304 A4 EP0831304 A4 EP 0831304A4 EP 96914466 A EP96914466 A EP 96914466A EP 96914466 A EP96914466 A EP 96914466A EP 0831304 A4 EP0831304 A4 EP 0831304A4
Authority
EP
European Patent Office
Prior art keywords
opto
manufacturing
pressure sensor
differential pressure
electronic flowmeter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP96914466A
Other languages
German (de)
French (fr)
Other versions
EP0831304A1 (en
Inventor
Viktor Georgievich Borisochev
Grigory Iakovlevic Buimistriuk
Gennady Gavrilovich Gnutov
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0831304A1 publication Critical patent/EP0831304A1/en
Publication of EP0831304A4 publication Critical patent/EP0831304A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/34Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
    • G01F1/36Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
    • G01F1/363Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction with electrical or electro-mechanical indication
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/34Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
    • G01F1/36Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
    • G01F1/38Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction the pressure or differential pressure being measured by means of a movable element, e.g. diaphragm, piston, Bourdon tube or flexible capsule
    • G01F1/383Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction the pressure or differential pressure being measured by means of a movable element, e.g. diaphragm, piston, Bourdon tube or flexible capsule with electrical or electro-mechanical indication

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
EP96914466A 1995-05-15 1996-05-08 Opto-electronic flowmeter and a method of manufacturing the associated differential pressure sensor Withdrawn EP0831304A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
MD95-0252A MD293G2 (en) 1995-05-15 1995-05-15 Optoelectronic flowmeter and the manufacture method of his sensor of difference of pressure
MD950252 1995-05-15
PCT/MD1996/000004 WO1996036850A1 (en) 1995-05-15 1996-05-08 Opto-electronic flowmeter and a method of manufacturing the associated differential pressure sensor

Publications (2)

Publication Number Publication Date
EP0831304A1 EP0831304A1 (en) 1998-03-25
EP0831304A4 true EP0831304A4 (en) 1999-09-01

Family

ID=19738682

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96914466A Withdrawn EP0831304A4 (en) 1995-05-15 1996-05-08 Opto-electronic flowmeter and a method of manufacturing the associated differential pressure sensor

Country Status (5)

Country Link
EP (1) EP0831304A4 (en)
EA (1) EA199700389A1 (en)
MD (1) MD293G2 (en)
WO (1) WO1996036850A1 (en)
ZA (1) ZA963668B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7255012B2 (en) * 2004-12-01 2007-08-14 Rosemount Inc. Process fluid flow device with variable orifice

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0234326A2 (en) * 1986-02-24 1987-09-02 Allied Corporation Single mode optical fiber coupler and method of manufacture thereof
US4777354A (en) * 1986-01-27 1988-10-11 Barry Thomas System for controlling the supply of utility services to consumers
US4790194A (en) * 1987-05-01 1988-12-13 Westinghouse Electric Corp. Flow measurement device
US4918305A (en) * 1988-08-01 1990-04-17 General Motors Corporation Fiber optic pressure sensor using pressure sensitive fiber different from input and output fibers
WO1994016346A1 (en) * 1993-01-15 1994-07-21 Alexandr Alexandrovich Balagur Fibre-optic measuring converter of pressure, pressure difference and flow, and a process for manufacturing the sensing element of the same

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3026727A (en) * 1960-04-05 1962-03-27 Int Electronic Res Corp Mass flow sensor
DE3206720A1 (en) * 1982-02-25 1983-09-01 Philips Patentverwaltung Gmbh, 2000 Hamburg OPTICAL SENSOR
DE3341845A1 (en) * 1983-11-19 1985-05-30 Philips Patentverwaltung Gmbh, 2000 Hamburg Optical pressure-measuring device
GB8513542D0 (en) * 1985-05-29 1985-07-03 Gen Electric Co Plc Fibre optic coupler
SU1345077A1 (en) * 1985-11-14 1987-10-15 Уфимский авиационный институт им.Серго Орджоникидзе Pressure diffrence meter
EP0234325A3 (en) * 1986-02-24 1988-01-07 Allied Corporation Multimode optical fiber coupler and method of manufacture thereof
GB8704540D0 (en) * 1987-02-26 1987-04-01 Bicc Plc Optical sensors
US4918994A (en) * 1987-05-21 1990-04-24 Ems Holland B.V. Gas meter
SU1719944A1 (en) * 1989-12-06 1992-03-15 Московский Инженерно-Строительный Институт Им.В.В.Куйбышева Pressure differential meter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4777354A (en) * 1986-01-27 1988-10-11 Barry Thomas System for controlling the supply of utility services to consumers
EP0234326A2 (en) * 1986-02-24 1987-09-02 Allied Corporation Single mode optical fiber coupler and method of manufacture thereof
US4790194A (en) * 1987-05-01 1988-12-13 Westinghouse Electric Corp. Flow measurement device
US4918305A (en) * 1988-08-01 1990-04-17 General Motors Corporation Fiber optic pressure sensor using pressure sensitive fiber different from input and output fibers
WO1994016346A1 (en) * 1993-01-15 1994-07-21 Alexandr Alexandrovich Balagur Fibre-optic measuring converter of pressure, pressure difference and flow, and a process for manufacturing the sensing element of the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9636850A1 *

Also Published As

Publication number Publication date
EA000366B1 (en) 1999-06-24
EA199700389A1 (en) 1999-06-24
MD293F1 (en) 1995-09-30
WO1996036850A1 (en) 1996-11-21
MD293G2 (en) 1995-10-31
ZA963668B (en) 1996-11-20
EP0831304A1 (en) 1998-03-25

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